Question

If the lateral surface area of a cylinder is 94.2 2
and its height is 5cm then find its radius of the base.
= 22/7

Answer 1

Answer:

3cm

Step-by-step explanation:

Given height of the cyllinder h = 5 cm

Lateral surface area = 2πrh = 92.2cm²

so radius = 3cm

$\frac{92.2}{2 \times \frac{22}{7} \times 5 } \\ = \frac{92.2}{ \frac{220}{7} } \\ = 2.934cm \\ = 3cm \: approximately$

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